即no thing.

1. Beauty is an attitude. It has nothing to do with age.

美是一种态度，与年龄无关。

2. When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.

当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。

3. I know it's nothing serious and I feel quite unemotional about it.

我知道那根本没什么大不了的，所以有些无动于衷。

4. Three hundred million dollars will be nothing like enough.

3亿美元远远不够。

5. There is nothing sinister or conspiratorial about the export licensing system.

这种出口许可制度没有任何阴险或者见不得人的东西。